package com.may.rabbitmq.five;

import com.may.rabbitmq.utils.RabbitMqUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DeliverCallback;
import com.rabbitmq.client.Delivery;

import java.nio.charset.StandardCharsets;

/**
 * Created with IntelliJ IDEA.
 *
 * @author nakano_may丶
 * @date 2023/4/10
 * @Version 1.0
 * @description 消息接收
 */
public class ReceiveLogs01 {

    // 交换机的名字
    public static final String EXCHANGE_NAME = "logs";

    public static void main(String[] args) throws Exception {
        Channel channel = RabbitMqUtils.getChannel();
        // 声明一个交换机
        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
        // 声明一个队列 临时队列
        /**
         * 生成一个临时队列、队列的名称是随机的
         * 当消费者断开与队列连接的时候，队列就自动删除
         */
        String queueName = channel.queueDeclare().getQueue();
        /**
         * 绑定交换机与队列
         */
        channel.queueBind(queueName, EXCHANGE_NAME, "");
        System.out.println("等待接收消息，将接收到的消息打印在屏幕上...");

        // 接收消息
        DeliverCallback deliverCallback = (consumerTag, message) -> {
            System.out.println("ReceiveLogs01控制台打印接收到的消息：" + new String(message.getBody(), StandardCharsets.UTF_8));
        };

        // 消费者取消消息时的对调接口
        channel.basicConsume(queueName, true, deliverCallback, consumerTag -> {
        });
    }
}
